Home / 20,163,852,984.40-30,245,779,476.60-10,865,761,248.40

Finding the Fourth Proportional to 20,163,852,984.40, 30,245,779,476.60 and 10,865,761,248.40

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Solution

The fourth proportional to 20,163,852,984.40, 30,245,779,476.60 and 10,865,761,248.40 is: 16,298,641,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,163,852,984.40 : 30,245,779,476.60 = 10,865,761,248.40 : x
  2. Step 2: Convert to fraction form
    20,163,852,984.40/30,245,779,476.60 = 10,865,761,248.40/x
  3. Step 3: Cross multiply
    20,163,852,984.40x = 30,245,779,476.60 × 10,865,761,248.40
  4. Step 4: Simplify right side
    20,163,852,984.40x = 328,643,418,564,492,263,424
  5. Step 5: Solve for x
    x = 328,643,418,564,492,263,424/20,163,852,984.40
  6. Step 6: Final answer
    x = 16,298,641,872.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.